Answer:
$0.558
Step-by-step explanation:
The expected value is the sum of the value of each outcome times the chance that it happens. In this case, there are two outcomes:
- Win $31 million
- Win $0
Then our expected value can be calculated as:

Sabrina should be careful of those ants and bees.
2/5, 1/10, and 1/20 are all less than 1/2
Answer:

Step-by-step explanation:

Answer:
Range: {1, -1, 0}
Step-by-step explanation:
Just subtract 2 from each number :)